logic_pio_register_range(9)

💅 logic_pio_register_range(9) — a Kernel API Manual moment 🎀

okay so bestie, welcome to the kernel API manual, this one's all about logic_pio_register_range and honestly it's giving "let me put this range on the list" energy ✨

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🌸 NAME 🌸

logic_pio_register_range — register a logical PIO range for a host 🦋

✨ SYNOPSIS ✨

int logic_pio_register_range (struct logic_pio_hwaddr *new_range );

🫶 ARGUMENTS 🫶

• new_range — pointer to the IO range you wanna register, like, that's the whole vibe 💖

👑 DESCRIPTION 👑

so here's the tea ☕: it returns 0 on success, and an error code if things go sideways 😭.

and listen — if the range already exists, you're gonna get -EEXIST back, but ngl you should lowkey consider that a success, periodt 💅. it's already there, it's already iconic, we move on.

the actual job? registering a new IO range node in the IO range list 🌈 literally just adding your little node to the list, main character energy fr fr.

no cap: -EEXIST is not a fail, bestie — treat it as a win 🙈

🔥 SEE ALSO 🔥

• Kernel file ./lib/logic_pio.c
• logic_pio_unregister_range(9)
• find_io_range_by_fwnode(9)
• logic_pio_to_hwaddr(9)
• logic_pio_trans_hwaddr(9)

go read those too, iykyk 👑

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and that's the whole page, bestie 🍓 — this gem lives in ./lib, dated October 2026, and it's called logic_pio_register_range(9). slay, you're welcome, mwah 💜🧚